Yossi Cohn
Principal Software Development Engineer at Workday
Tel-Aviv District, Israel
Summary
👤
Senior🎓
Top SchoolYossi Cohn is a Principal Software Development Engineer and hands-on technical leader with 18 years building and shipping complex products across MarTech, AdTech, analytics, SaaS, mobile and cloud-native systems. He blends deep implementation skills in C/C++/C#/JS/TypeScript/Go and Android with pragmatic architecture work—designing and decomposing monoliths into Kubernetes-based microservices, adopting .NET Core, Docker and GCP managed services. At companies from startups to enterprise (Optimove, Roboteam, Workday) he’s led R&D teams, driven observability and infra excellence, and personally contributed critical SDKs, analytics services and push-notification backends. Known for staying developer-first, he frequently owns both the roadmap and the code, pairing strong social leadership with continual learning. Based in Tel Aviv, he brings a rare mix of low-level systems experience (NDK, multicast protocols, RIP engines) and modern cloud/DevOps fluency.
12 years of coding experience
16 years of employment as a software developer
B.Sc Mathematics & Computer Science, B.Sc Mathematics & Computer Science at The Hebrew University of JerusalemAsian Languages and Culture, Asian Languages and Culture at University of Haifa
English, Spanish
Stackoverflow
11reputation
453reached
2answers
0questions
Github Skills (89)
malware10
scanner10
developer-tools10
intranet10
docker10
container-image10
oci-image9
podman9
kubectl9
vulnerabilities9
google-analytics9
security9
instrumentation9
sbom9
marketing9
Programming languages (8)
Github contributions (5)
yossicohn/mutual-tls-ssl
Apr 2021 - Mar 2025
Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, Kohttp and ktor. Also other server examples are available such as jersey with grizzly.
Contributions:66 PRs, 116 pushes, 115 branches in 3 years 11 months
retrofitfinaglejdkjavalinhttpclient
yossicohn/kaniko-build-private-repo
Apr 2021 - Apr 2021
Contributions:64 commits, 60 pushes, 1 branch in 13 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.